What causes dark under-eye circles?

Watch as internal medicine specialist Dr. Keri Peterson explains what may be causing your dark under-eye circles.

An overview of early-stage and late-stage diabetic retinopathy, with a look at diabetic macular edema.

Necrotizing fasciitis is a dangerous infection that can start suddenly and move fast. Spot the signs and know how to respond.

These six possible causes of hair loss may surprise you.

Necrotizing fasciitis is a dangerous infection that can start suddenly and move fast. Spot the signs and know how to respond.

Find out what happens if you neglect to wash your face.